selmer.filters

(source)
To create a filter use the function add-filter! which takes a name and a fn. The first argument to the fn is always the value obtained from the context map. The rest of the arguments are optional and are always strings.

For more info about this library see:

https://rawgit.com/yogthos/Selmer/master/docs/uberdoc.html
Public Variable Short Description
add-filter! (clj)
call-filter (clj)
filters (clj)
fix-date (clj)
generate-json (clj) JSON generation function.
get-filter (clj)
parse-number (clj) Parses a number to Long or Double.
remove-filter! (clj)
throw-when-expecting-number (clj)
throw-when-expecting-seqable (clj) Throws an exception with the given msg when (seq x) will fail (excluding nil).
valid-date-formats (clj)